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Switching on the LHC

The biggest physics experiment ever — the Large Hadron Collider (LHC) — is due to start on September the 10th. The LHC is a particle accelerator. It's a 27km underground tunnel located near Geneva at the European Organisation for Nuclear Research (CERN). Protons will be sent racing through the tunnel on collision course with each
other, and scientists hope that the remains of these collisions will answer some of the biggest secrets of the Universe.

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